import java.util.*;
public class _07 {
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        int n=sc.nextInt();
        int a[][]=new int[n][n];
        int b[][]=new int[n][n];
        for(int i=0;i<n;i++){
            
        }
        
    }
}
